209589039

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 367890336

約数和(自身を除く): 158301297

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 101, 137, 153, 187, 297, 303, 411, 459, 561, 891, 909, 1111, 1233, 1377, 1507, 1683, 1717, 2329, 2727, 3333, 3699, 4521, 5049, 5151, 6987, 8181, 9999, 11097, 13563, 13837, 15147, 15453, 18887, 20961, 25619, 29997, 40689, 41511, 46359, 56661, 62883, 76857, 89991, 122067, 124533, 139077, 152207, 169983, 188649, 230571, 235229, 373599, 456621, 509949, 691713, 705687, 1120797, 1369863, 1529847, 2075139, 2117061, 2587519, 4109589, 6351183, 7762557, 12328767, 19053549, 23287671, 69863013, 209589039]

約数ペア:

[(1, 209589039), (3, 69863013), (9, 23287671), (11, 19053549), (17, 12328767), (27, 7762557), (33, 6351183), (51, 4109589), (81, 2587519), (99, 2117061), (101, 2075139), (137, 1529847), (153, 1369863), (187, 1120797), (297, 705687), (303, 691713), (411, 509949), (459, 456621), (561, 373599), (891, 235229), (909, 230571), (1111, 188649), (1233, 169983), (1377, 152207), (1507, 139077), (1683, 124533), (1717, 122067), (2329, 89991), (2727, 76857), (3333, 62883), (3699, 56661), (4521, 46359), (5049, 41511), (5151, 40689), (6987, 29997), (8181, 25619), (9999, 20961), (11097, 18887), (13563, 15453), (13837, 15147)]